cory/tildefriends
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Attempt to clean up promises owned by subtasks that have gone away.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3990 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2022-09-27 23:01:59 +00:00
parent c0ecdaae12
commit 5b3ae3f006
1 changed files with 26 additions and 0 deletions
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26
src/task.c
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@ -56,6 +56,7 @@ typedef struct _promise_t promise_t;
typedef struct _promise_t
{
promiseid_t id;
taskid_t task;
JSValue values[2];
uint32_t stack_hash;
} promise_t;
@ -165,6 +166,7 @@ static JSValue _tf_task_trace(JSContext* context, JSValueConst this_val, int arg
static JSValue _tf_task_getStats(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
static JSValue _tf_task_getFile(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
static promise_t* _tf_task_find_promise(tf_task_t* task, promiseid_t id);
static void _tf_task_sendPromiseResolve(tf_task_t* from, tf_taskstub_t* to, promiseid_t promise, JSValue result);
static void _tf_task_sendPromiseReject(tf_task_t* from, tf_taskstub_t* to, promiseid_t promise, JSValue result);
@ -608,6 +610,11 @@ static void _tf_task_sendPromiseExportMessage(tf_task_t* from, tf_taskstub_t* to
memcpy(copy, &promise, sizeof(promise));
memcpy(copy + sizeof(promise), &exportId, sizeof(exportId));
memcpy(copy + sizeof(promise) + sizeof(exportId), buffer, size);
promise_t* found = _tf_task_find_promise(from, promise);
if (found)
{
found->task = tf_taskstub_get_id(to);
}
tf_packetstream_send(tf_taskstub_get_stream(to), messageType, copy, sizeof(promise) + sizeof(exportId) + size);
tf_free(buffer);
tf_free(copy);
@ -1234,6 +1241,24 @@ void tf_task_reject_promise(tf_task_t* task, promiseid_t promise, JSValue value)
}
}
static void _promise_release_for_task(tf_task_t* task, taskid_t task_id)
{
bool more = true;
while (more)
{
more = false;
for (int i = 0; i < task->_promise_count; i++)
{
const promise_t* promise = &task->_promises[i];
if (promise->task == task_id)
{
tf_task_reject_promise(task, promise->id, JS_ThrowInternalError(task->_context, "Task is gone."));
more = true;
}
}
}
}
taskid_t tf_task_allocate_task_id(tf_task_t* task, tf_taskstub_t* stub)
{
taskid_t id = 0;
@ -1257,6 +1282,7 @@ void tf_task_remove_child(tf_task_t* task, tf_taskstub_t* child)
{
_import_record_release_for_task(task, tf_taskstub_get_id(child));
_export_record_release_for_task(task, tf_taskstub_get_id(child));
_promise_release_for_task(task, tf_taskstub_get_id(child));
for (task_child_node_t** it = &task->_children;
*it;
it = &(*it)->next)